Home / 325,445,375.47-449,117,913.86-176,769,399.73

Finding the Fourth Proportional to 325,445,375.47, 449,117,913.86 and 176,769,399.73

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Solution

The fourth proportional to 325,445,375.47, 449,117,913.86 and 176,769,399.73 is: 243,943,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,445,375.47 : 449,117,913.86 = 176,769,399.73 : x
  2. Step 2: Convert to fraction form
    325,445,375.47/449,117,913.86 = 176,769,399.73/x
  3. Step 3: Cross multiply
    325,445,375.47x = 449,117,913.86 × 176,769,399.73
  4. Step 4: Simplify right side
    325,445,375.47x = 79,390,304,041,022,048
  5. Step 5: Solve for x
    x = 79,390,304,041,022,048/325,445,375.47
  6. Step 6: Final answer
    x = 243,943,561.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.